Mercedes-Benz E55 AMG Problem Report

Mercedes-Benz E55 AMG Check Engine Light and Engine Misfire

(12 reports)

Failed spark plug wires and/or ignition coils can cause intermittent misfires (rough running); the Check Engine Light may also illuminate. Diagnoses of the ignition system will be necessary to determine which components are at fault.

The car runs real rough when I step on the gas in drive. If I shift the car myself it runs better but still mis-fires -
Getting a misfire at cylinder 1. Changed spark plugs, ignition coil, and wires at cylinder. Problem fixed. -
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